Kite(1998)

Kite is an anime series following Sawa, a seemingly innocent young girl who harbors a dark secret: she's a skilled assassin. When a detective frustrated by the justice system's failures decides to weaponize her abilities, he transforms her into his personal instrument of vengeance. As Sawa carries out targeted killings against criminals the law has failed to punish, she navigates a morally complex world where the line between justice and murder blurs. The series explores themes of vigilantism and corruption through intense action sequences and psychological tension, examining what happens when someone takes the law into their own hands.